2004 Chevrolet Trailblazer EXT Vehicle speed control Problems
- Complaints
- 9about this part
- Share
- 3%of 261 total for the year
- Median mileage
- 53,660miles
- Trend
- Not enough dataFewer than 15 complaints, too few for a reliable trend.
NHTSA recorded 9 complaints about the vehicle speed control of the 2004 Chevrolet Trailblazer EXT, 3% of the 261 complaints for this model year. Where a mileage was given, the median is 53,660 miles.
Fewer than 15 complaints name this part, so treat the figures as a rough indication only.
Example complaints
Selected from NHTSA records; personal details are removed. They are consumer reports, not findings.
“2004 Chevrolet Trailblazer Ext. Rpm gauge stop working and then now the RPM and speedometer is not working. I found a number of reports from others online stating that their RPM and speedo also stopped working. I have seen no recalls on this problem. I have no idea how fast I'm traveling.”
NHTSA complaint #10384851, filed 2011-02, 62,500 miles“Pulling into traffic flow from a stop to 45 MPH within a short distance the speedometer on my wife's 2004 Chevrolet trailblazer indicated I was doing 75 MPH. Continuing at the traffic flow speed of about 45 with slight slowdowns and speedups for approximately 1.5 miles the speedometer climbed to 85 MPH. When I came to a stop it went to 80 MPH. Then, accelerating to 35 MPH, it now read 105 MPH. When I reached my destination and shut off the truck it went to 80 MPH not 0. Truck has 43,000 miles on it. *”
NHTSA complaint #10190536, filed 2007-05, 43,000 miles“On february 7, 2009, we were driving on the interstate. When approaching traffic I took the vehicle off of cruise and began to slow down. However, the speedometer did not move. After that, everytime I began to accelerate, the speedometer would not move. Everytime I start the car it drops 5 MPH, but when you use cruise or do a constant speed, it sticks again. We are getting ready to go on a big family vacation and do not feel safe taking my family in a vehicle that you don't know how fast you are going. My mechanic is replacing the cluster with a used one from the local salvage yard. …”
NHTSA complaint #10268522, filed 2009-05, 63,000 miles“The speedometer sticks and does not give accurate readings of speed (I.e. 70mph when stopped at traffic light). This began today and has not corrected itself. There are serious potential consequences of this problem as drivers will not be able to know their true speed. Nothing has been done yet to correct the failure. Research has shown average price of repair to be around $450.00.”
NHTSA complaint #10257515, filed 2009-02, 51,320 miles“All gauges on control panel not working, but all service lights come on check engine, ABS seat belt, reduce power, battery lights. Speed and fuel are impossible to know as well as warnings to observe from lights. 2004 Chevrolet trailblazer, speedometer will show a faster speed than you moving or will go to 0 while on the freeway. The tach has the same problem. This is a serious safety issue and it should be recalled now. I heard that they had the same issue on pick-ups and they were recalled. …”
NHTSA complaint #10477097, filed 2012-09, 120,000 milesVehicle speed control: other model years
Other parts of the 2004 Chevrolet Trailblazer EXT
145 complaintsFuel system
46 complaintsTransmission and drivetrain
17 complaintsEngine cooling
16 complaintsExterior lighting
13 complaintsEquipment
9 complaintsSteering
8 complaintsVisibility (wipers, defrost, mirrors)
8 complaintsAir bags
7 complaintsBody and structure
7 complaintsEngine
5 complaintsLatches, locks and linkages
3 complaints
← All problems reported for the 2004 Chevrolet Trailblazer EXT
About this data. Data from NHTSA (ODI) complaints, recalls, TSBs and investigations, updated Oct 31, 2026. Complaints are unverified consumer reports and may be duplicated or inaccurate.
To check a specific vehicle for open recalls, use its VIN at nhtsa.gov/recalls. Methodology